Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Rb4 draw
3 Kb7 loss in 2 half-moves
4 Kb8 loss in 2 half-moves
5 Kc7 loss in 2 half-moves
6 Kd7 loss in 2 half-moves
7 Kd8 loss in 2 half-moves
8 Ra4 loss in 2 half-moves
9 Re5 loss in 2 half-moves
10 Re6 loss in 2 half-moves
11 Re7 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rg4 loss in 2 half-moves
14 Rh4 loss in 2 half-moves
15 Rc4 loss in 1 half-moves
16 Rd4 loss in 1 half-moves
17 Re1 loss in 1 half-moves
18 Re2 loss in 1 half-moves
19 Re3 loss in 1 half-moves